1 | package eu.clarin.cmdi.virtualcollectionregistry.gui.pages; |
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2 | |
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3 | import eu.clarin.cmdi.virtualcollectionregistry.gui.Application; |
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4 | import eu.clarin.cmdi.virtualcollectionregistry.gui.DateConverter; |
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5 | import eu.clarin.cmdi.virtualcollectionregistry.gui.DetachableVirtualCollectionModel; |
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6 | import eu.clarin.cmdi.virtualcollectionregistry.gui.VolatileEntityModel; |
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7 | import eu.clarin.cmdi.virtualcollectionregistry.gui.border.AjaxToggleBorder; |
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8 | import eu.clarin.cmdi.virtualcollectionregistry.model.Creator; |
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9 | import eu.clarin.cmdi.virtualcollectionregistry.model.Resource; |
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10 | import eu.clarin.cmdi.virtualcollectionregistry.model.VirtualCollection; |
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11 | import eu.clarin.cmdi.virtualcollectionregistry.model.VirtualCollection.Type; |
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12 | import java.sql.Date; |
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13 | import java.util.Collection; |
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14 | import java.util.Iterator; |
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15 | import java.util.LinkedList; |
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16 | import java.util.List; |
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17 | import java.util.Locale; |
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18 | import org.apache.wicket.Component; |
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19 | import org.apache.wicket.IPageMap; |
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20 | import org.apache.wicket.Page; |
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21 | import org.apache.wicket.PageParameters; |
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22 | import org.apache.wicket.PageReference; |
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23 | import org.apache.wicket.Session; |
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24 | import org.apache.wicket.authorization.UnauthorizedActionException; |
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25 | import org.apache.wicket.behavior.AbstractBehavior; |
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26 | import org.apache.wicket.extensions.ajax.markup.html.repeater.data.table.AjaxFallbackDefaultDataTable; |
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27 | import org.apache.wicket.extensions.markup.html.repeater.data.grid.ICellPopulator; |
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28 | import org.apache.wicket.extensions.markup.html.repeater.data.table.AbstractColumn; |
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29 | import org.apache.wicket.extensions.markup.html.repeater.data.table.DataTable; |
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30 | import org.apache.wicket.extensions.markup.html.repeater.data.table.IColumn; |
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31 | import org.apache.wicket.extensions.markup.html.repeater.data.table.PropertyColumn; |
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32 | import org.apache.wicket.extensions.markup.html.repeater.util.SortableDataProvider; |
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33 | import org.apache.wicket.markup.ComponentTag; |
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34 | import org.apache.wicket.markup.html.basic.Label; |
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35 | import org.apache.wicket.markup.html.basic.MultiLineLabel; |
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36 | import org.apache.wicket.markup.html.border.Border; |
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37 | import org.apache.wicket.markup.html.link.ExternalLink; |
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38 | import org.apache.wicket.markup.html.link.Link; |
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39 | import org.apache.wicket.markup.html.link.PopupSettings; |
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40 | import org.apache.wicket.markup.html.list.ListItem; |
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41 | import org.apache.wicket.markup.html.list.ListView; |
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42 | import org.apache.wicket.markup.html.list.OddEvenListItem; |
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43 | import org.apache.wicket.markup.repeater.Item; |
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44 | import org.apache.wicket.model.ComponentPropertyModel; |
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45 | import org.apache.wicket.model.CompoundPropertyModel; |
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46 | import org.apache.wicket.model.IModel; |
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47 | import org.apache.wicket.model.Model; |
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48 | import org.apache.wicket.model.PropertyModel; |
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49 | import org.apache.wicket.util.convert.IConverter; |
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50 | import org.apache.wicket.util.string.Strings; |
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51 | |
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52 | @SuppressWarnings("serial") |
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53 | public class VirtualCollectionDetailsPage extends BasePage { |
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54 | |
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55 | public static final String PARAM_VC_ID = "id"; |
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56 | public static final String PARAM_BACK_PAGE_ID = "backPage"; |
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57 | public static final String PARAM_BACK_PAGE_VERSION = "backPageVersion"; |
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58 | public static final String PARAM_BACK_PAGE_PAGEMAP_NAME = "backPageMapName"; |
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59 | private static final String CSS_CLASS = "collectionDetails"; |
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60 | private static final IConverter convDate = new DateConverter(); |
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61 | private final HideIfEmptyBehavior hideIfEmpty = new HideIfEmptyBehavior(); |
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62 | |
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63 | private static final IConverter convEnum = new IConverter() { |
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64 | @Override |
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65 | public String convertToString(Object o, Locale locale) { |
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66 | final Enum<?> enumObj = (Enum<?>) o; |
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67 | final String key |
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68 | = enumObj.getDeclaringClass().getSimpleName() + "." |
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69 | + enumObj.name(); |
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70 | final String value = Application.get().getResourceSettings() |
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71 | .getLocalizer().getString(key, null); |
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72 | return Strings.escapeMarkup(value).toString(); |
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73 | } |
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74 | |
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75 | @Override |
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76 | public Object convertToObject(String s, Locale locale) { |
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77 | return null; |
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78 | } |
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79 | }; |
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80 | |
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81 | /* |
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82 | * Actually, we really want the behavior to hide the component on |
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83 | * the beforeRender() call, but we always get an exception from Wicket |
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84 | * that we are not supposed to change the page hierarchy anymore. This |
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85 | * class is a hack to avoid this exception. |
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86 | */ |
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87 | private static final class HideIfEmptyBehavior extends AbstractBehavior { |
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88 | |
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89 | private final List<Component> components = new LinkedList<Component>(); |
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90 | |
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91 | @Override |
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92 | public void bind(Component component) { |
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93 | super.bind(component); |
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94 | components.add(component); |
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95 | } |
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96 | |
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97 | public void hideEmptyComponents() { |
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98 | for (Component component : components) { |
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99 | Object obj = component.getDefaultModelObject(); |
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100 | if (obj == null) { |
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101 | component.setVisible(false); |
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102 | } else { |
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103 | if (obj instanceof Collection<?>) { |
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104 | if (((Collection<?>) obj).isEmpty()) { |
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105 | component.setVisible(false); |
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106 | } |
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107 | } |
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108 | } |
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109 | } |
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110 | } |
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111 | |
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112 | @Override |
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113 | public void cleanup() { |
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114 | super.cleanup(); |
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115 | components.clear(); |
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116 | } |
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117 | } // class VirtualCollectionDetailsPage.HideIfEmptyBehavior |
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118 | |
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119 | private static class CustomLabel extends Label { |
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120 | |
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121 | public CustomLabel(String id) { |
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122 | super(id); |
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123 | } |
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124 | |
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125 | @Override |
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126 | public IConverter getConverter(Class<?> type) { |
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127 | if (VirtualCollection.Type.class.isAssignableFrom(type) |
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128 | || VirtualCollection.Purpose.class.isAssignableFrom(type) |
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129 | || VirtualCollection.Reproducibility.class.isAssignableFrom(type)) { |
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130 | return convEnum; |
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131 | } |
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132 | if (Date.class.isAssignableFrom(type)) { |
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133 | return convDate; |
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134 | } |
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135 | return super.getConverter(type); |
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136 | } |
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137 | } // class VirtualCollectionDetailsPage.TypeLabel |
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138 | |
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139 | public VirtualCollectionDetailsPage(PageParameters params) { |
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140 | this(getVirtualCollectionModel(params), getPageReference(params)); |
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141 | } |
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142 | |
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143 | public VirtualCollectionDetailsPage(final IModel<VirtualCollection> model, final PageReference previousPage) { |
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144 | super(new CompoundPropertyModel<VirtualCollection>(model)); |
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145 | if (model == null) { |
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146 | setResponsePage(Application.get().getHomePage()); |
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147 | } else { |
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148 | checkAccess(model.getObject()); |
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149 | } |
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150 | |
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151 | final Link<Void> backLink = new Link<Void>("back") { |
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152 | @Override |
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153 | public void onClick() { |
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154 | if (previousPage == null) { |
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155 | setResponsePage(getApplication().getHomePage()); |
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156 | } else { |
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157 | setResponsePage(previousPage.getPage()); |
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158 | } |
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159 | } |
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160 | }; |
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161 | add(backLink); |
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162 | |
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163 | addGeneralProperties(model); |
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164 | addCreators(); |
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165 | addResources(model); |
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166 | addGeneratedBy(model); |
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167 | } |
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168 | |
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169 | private void addGeneralProperties(final IModel<VirtualCollection> model) { |
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170 | final Border general = new AjaxToggleBorder("generalBorder", |
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171 | new Model<String>("General"), CSS_CLASS); |
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172 | add(general); |
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173 | general.add(new Label("name")); |
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174 | general.add(new CustomLabel("type")); |
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175 | general.add(new CustomLabel("creationDate")); |
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176 | general.add(new MultiLineLabel("description").add(hideIfEmpty)); |
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177 | general.add(new CustomLabel("purpose").add(hideIfEmpty)); |
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178 | general.add(new CustomLabel("reproducibility").add(hideIfEmpty)); |
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179 | general.add(new Label("reproducibilityNotice").add(hideIfEmpty)); |
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180 | |
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181 | final ExternalLink pidLink = new ExternalLink("pidLink", new PropertyModel<String>(model, "persistentIdentifier.actionableURI")); |
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182 | pidLink.add(new Label("persistentIdentifier.URI")); |
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183 | pidLink.add(hideIfEmpty); |
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184 | general.add(pidLink); |
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185 | |
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186 | addKeywords(general); |
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187 | } |
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188 | |
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189 | private void addKeywords(final Border general) { |
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190 | final ListView<String> keywords = new ListView<String>("keywords") { |
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191 | @Override |
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192 | protected void populateItem(ListItem<String> item) { |
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193 | item.add(new Label("keyword", item.getModelObject())); |
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194 | } |
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195 | }; |
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196 | keywords.add(hideIfEmpty); |
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197 | general.add(keywords); |
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198 | } |
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199 | |
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200 | private void addCreators() { |
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201 | final Border creators = new AjaxToggleBorder("creatorsBorder", |
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202 | new Model<String>("Creators"), CSS_CLASS); |
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203 | add(creators); |
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204 | creators.add(new ListView<Creator>("creators") { |
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205 | @Override |
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206 | protected void populateItem(ListItem<Creator> item) { |
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207 | item.add(new Label("person")); |
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208 | item.add(new MultiLineLabel("address").add(hideIfEmpty)); |
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209 | item.add(new Label("organisation").add(hideIfEmpty)); |
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210 | item.add(new Label("email").add(hideIfEmpty)); |
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211 | item.add(new Label("telephone").add(hideIfEmpty)); |
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212 | final IModel<String> siteModel |
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213 | = new ComponentPropertyModel<String>("website"); |
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214 | item.add(new ExternalLink("website", siteModel, siteModel) |
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215 | .setPopupSettings(new PopupSettings()) |
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216 | .add(hideIfEmpty)); |
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217 | item.add(new Label("role").add(hideIfEmpty)); |
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218 | } |
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219 | |
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220 | @Override |
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221 | protected IModel<Creator> getListItemModel( |
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222 | IModel<? extends List<Creator>> listViewModel, int index) { |
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223 | final List<Creator> creators = listViewModel.getObject(); |
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224 | return new CompoundPropertyModel<Creator>( |
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225 | new VolatileEntityModel<>(creators.get(index))); |
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226 | } |
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227 | |
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228 | @Override |
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229 | protected ListItem<Creator> newItem(int index) { |
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230 | final IModel<Creator> model |
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231 | = getListItemModel(getModel(), index); |
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232 | return new OddEvenListItem<Creator>(index, model) { |
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233 | @Override |
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234 | protected void onComponentTag(ComponentTag tag) { |
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235 | super.onComponentTag(tag); |
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236 | if (getIndex() == 0) { |
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237 | tag.append("class", "first", " "); |
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238 | } |
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239 | } |
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240 | }; |
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241 | } |
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242 | }); |
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243 | } |
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244 | |
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245 | private void addResources(final IModel<VirtualCollection> model) { |
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246 | final Border resources = new AjaxToggleBorder("resourcesBorder", |
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247 | new Model<String>("Resources"), CSS_CLASS + " resources"); |
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248 | add(resources); |
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249 | |
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250 | @SuppressWarnings("rawtypes") |
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251 | final IColumn[] cols = new IColumn[2]; |
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252 | cols[1] = new PropertyColumn<Resource>( |
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253 | Model.of("Type"), "type") { |
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254 | @Override |
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255 | public void populateItem(Item<ICellPopulator<Resource>> item, |
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256 | String componentId, IModel<Resource> model) { |
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257 | final Resource.Type type = model.getObject().getType(); |
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258 | item.add(new Label(componentId, |
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259 | convEnum.convertToString(type, getLocale()))); |
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260 | } |
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261 | |
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262 | @Override |
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263 | public String getCssClass() { |
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264 | return "type"; |
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265 | } |
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266 | |
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267 | |
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268 | }; |
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269 | cols[0] = new AbstractColumn<Resource>(Model.of("Reference")) { |
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270 | |
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271 | @Override |
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272 | public void populateItem(Item<ICellPopulator<Resource>> item, String componentId, IModel<Resource> rowModel) { |
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273 | item.add(new ReferenceLinkPanel(componentId, rowModel)); |
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274 | } |
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275 | |
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276 | }; |
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277 | |
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278 | final SortableDataProvider<Resource> resourcesProvider = new SortableDataProvider<Resource>() { |
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279 | @Override |
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280 | public Iterator<? extends Resource> |
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281 | iterator(int first, int count) { |
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282 | return model.getObject().getResources().listIterator(first); |
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283 | } |
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284 | |
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285 | @Override |
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286 | public IModel<Resource> model(Resource resource) { |
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287 | return new VolatileEntityModel<Resource>(resource); |
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288 | } |
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289 | |
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290 | @Override |
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291 | public int size() { |
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292 | return model.getObject().getResources().size(); |
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293 | } |
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294 | }; |
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295 | |
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296 | final DataTable<Resource> resourcesTable |
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297 | = new AjaxFallbackDefaultDataTable<Resource>("resourcesTable", |
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298 | cols, resourcesProvider, 64); |
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299 | resources.add(resourcesTable); |
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300 | resources.setVisible(model.getObject().getType() == Type.EXTENSIONAL); |
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301 | } |
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302 | |
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303 | private void addGeneratedBy(final IModel<VirtualCollection> model) { |
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304 | final Border generated = new AjaxToggleBorder("generatedByBorder", |
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305 | new Model<String>("Intensional Collection Query"), CSS_CLASS); |
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306 | add(generated); |
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307 | generated.add(new Label("generatedBy.description")); |
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308 | generated.add(new Label("generatedBy.uri").add(hideIfEmpty)); |
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309 | generated.add(new Label("generatedBy.query.profile").add(hideIfEmpty)); |
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310 | generated.add(new Label("generatedBy.query.value").add(hideIfEmpty)); |
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311 | generated.setVisible(model.getObject().getType() == Type.INTENSIONAL); |
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312 | } |
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313 | |
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314 | private static IModel<VirtualCollection> getVirtualCollectionModel(PageParameters params) { |
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315 | final Long collectionId = params.getAsLong(PARAM_VC_ID); |
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316 | if (collectionId == null) { |
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317 | Session.get().error("Collection could not be retrieved, id not provided"); |
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318 | return null; |
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319 | } |
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320 | return new DetachableVirtualCollectionModel(collectionId); |
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321 | } |
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322 | |
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323 | private static PageReference getPageReference(PageParameters params) { |
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324 | final Integer pageId = params.getAsInteger(PARAM_BACK_PAGE_ID); |
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325 | final Integer pageVersion = params.getAsInteger(PARAM_BACK_PAGE_VERSION); |
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326 | final String pageMap = params.getString(PARAM_BACK_PAGE_PAGEMAP_NAME); |
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327 | if (pageId != null && pageVersion != null) { |
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328 | for (IPageMap map : Session.get().getPageMaps()) { |
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329 | if (pageMap == null && map.getName() == null || pageMap != null && pageMap.equals(map.getName())) { |
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330 | final Page page = map.get(pageId, pageVersion); |
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331 | if (page != null) { |
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332 | return page.getPageReference(); |
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333 | } |
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334 | } |
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335 | } |
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336 | } |
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337 | return null; |
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338 | } |
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339 | |
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340 | public static PageParameters createPageParameters(VirtualCollection vc, PageReference pageReference) { |
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341 | final PageParameters params = new PageParameters(); |
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342 | params.put(VirtualCollectionDetailsPage.PARAM_VC_ID, vc.getId()); |
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343 | |
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344 | if (pageReference != null) { |
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345 | params.put(VirtualCollectionDetailsPage.PARAM_BACK_PAGE_ID, pageReference.getPageNumber()); |
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346 | params.put(VirtualCollectionDetailsPage.PARAM_BACK_PAGE_VERSION, pageReference.getPageVersion()); |
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347 | if (pageReference.getPageMapName() != null) { |
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348 | params.put(VirtualCollectionDetailsPage.PARAM_BACK_PAGE_PAGEMAP_NAME, pageReference.getPageMapName()); |
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349 | } |
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350 | } |
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351 | return params; |
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352 | } |
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353 | |
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354 | /** |
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355 | * |
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356 | * @param vc collection to check for |
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357 | * @throws UnauthorizedActionException if the VC is private and the current |
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358 | * user is not the owner |
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359 | */ |
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360 | private void checkAccess(final VirtualCollection vc) throws UnauthorizedActionException { |
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361 | if (vc.isPrivate() |
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362 | && !isUserAdmin() |
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363 | && !getSession().isCurrentUser(vc.getOwner())) { |
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364 | // user trying to access other user's collection |
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365 | throw new UnauthorizedActionException(this, Component.RENDER); |
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366 | } |
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367 | } |
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368 | |
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369 | @Override |
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370 | protected void onBeforeRender() { |
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371 | super.onBeforeRender(); |
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372 | hideIfEmpty.hideEmptyComponents(); |
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373 | } |
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374 | |
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375 | } // class VirtualCollectionDetailsPage |
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